Hurricane Michael formed off the coast of Cuba carrying major Category 4 landfall in the Florida Panhandle. Surge in the Big Bend area, along with catastrophic winds at 155mph. Port St. Joe Lodge number 111, at right, lay in ruins on Reid Avenue on Wednesday, Oct. 10, 2018, in Port St. Joe, Fla., after Hurricane Michael made landfall in the Florida Panhandle. (Douglas R. Clifford/The Tampa Bay Times via AP)

Scott said at least 192,000 homes and businesses are without power, but vowed "a massive wave of response" with thousands of utility personnel fanning out to restore power, along with medical teams, law enforcement personnel and the search and rescue squads.